89adffb7bc
The Linux VFS will never allow a filesystem which is in use to be unmounted. This behavior differs from other platforms like FreeBSD which allow a filesystem to be force unmounted. This will result in errors being returned to applications actively using the filesystem. Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Signed-off-by: Mariusz Zaborski <oshogbo@vexillium.org> Closes #10013
84 lines
2.5 KiB
Groff
84 lines
2.5 KiB
Groff
.\"
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.\" CDDL HEADER START
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.\"
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.\" The contents of this file are subject to the terms of the
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.\" Common Development and Distribution License (the "License").
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.\" You may not use this file except in compliance with the License.
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.\" You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
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.\" or http://www.opensolaris.org/os/licensing.
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.\" See the License for the specific language governing permissions
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.\" and limitations under the License.
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.\" file and include the License file at usr/src/OPENSOLARIS.LICENSE.
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.\" information: Portions Copyright [yyyy] [name of copyright owner]
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.\" CDDL HEADER END
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.\"
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.\"
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.\" Copyright (c) 2007, Sun Microsystems, Inc. All Rights Reserved.
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.\" Copyright (c) 2012, 2018 by Delphix. All rights reserved.
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.\" Copyright (c) 2012 Cyril Plisko. All Rights Reserved.
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.\" Copyright (c) 2017 Datto Inc.
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.\" Copyright (c) 2018 George Melikov. All Rights Reserved.
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.\" Copyright 2017 Nexenta Systems, Inc.
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.\" Copyright (c) 2017 Open-E, Inc. All Rights Reserved.
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.\"
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.Dd February 16, 2020
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.Dt ZPOOL-EXPORT 8
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.Os Linux
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.Sh NAME
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.Nm zpool Ns Pf - Cm export
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.Nd Exports the given ZFS storage pools from the system
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.Sh SYNOPSIS
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.Nm
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.Cm export
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.Op Fl a
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.Op Fl f
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.Ar pool Ns ...
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.Sh DESCRIPTION
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.Bl -tag -width Ds
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.It Xo
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.Nm
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.Cm export
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.Op Fl a
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.Op Fl f
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.Ar pool Ns ...
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.Xc
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Exports the given pools from the system.
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All devices are marked as exported, but are still considered in use by other
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subsystems.
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The devices can be moved between systems
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.Pq even those of different endianness
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and imported as long as a sufficient number of devices are present.
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.Pp
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Before exporting the pool, all datasets within the pool are unmounted.
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A pool can not be exported if it has a shared spare that is currently being
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used.
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.Pp
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For pools to be portable, you must give the
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.Nm
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command whole disks, not just partitions, so that ZFS can label the disks with
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portable EFI labels.
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Otherwise, disk drivers on platforms of different endianness will not recognize
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the disks.
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.Bl -tag -width Ds
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.It Fl a
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Exports all pools imported on the system.
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.It Fl f
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Forcefully unmount all datasets, using the
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.Nm unmount Fl f
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command.
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This option is not supported on Linux.
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.Pp
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This command will forcefully export the pool even if it has a shared spare that
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is currently being used.
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This may lead to potential data corruption.
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.El
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.El
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.Sh SEE ALSO
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.Xr zpool-import 8
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